CVE-2024-4121 Tenda W15E formQOSRuleDel stack-based overflow
A remote attacker can trigger a stack-based buffer overflow in the Tenda W15E router via the formQOSRuleDel function, potentially leading to code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-4121?
CVE-2024-4121 is a high-severity memory corruption vulnerability in Tenda W15E, published on 24 Apr 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability classified as critical has been found in Tenda W15E 15.11.0.14. Affected is the function formQOSRuleDel. The manipulation of the argument qosIndex leads to stack-based buffer overflow. It is possible to launch the attack remotely. The identifier of this vulnerability is VDB-261864. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2024-4121?
It affects 1 product.
Products include Tenda W15e Firmware.
How do I fix CVE-2024-4121?
No fix has been published for CVE-2024-4121 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2024-4121 being exploited?
There is no known exploitation of CVE-2024-4121 in the wild and no public exploit code.
Other vulnerabilities in Tenda W15E
Sources
Also known as GHSA-mwvg-g633-qqcv.